Improved wood-molding machine



New greffes JOHN strook, OF New YORK, N. Y.

lMPjROVED WOODjMQLDlNG MACHINE.

' taching the templet or pat-tern to an elastic bar or bars in such a manner that the elasticity of said bars will allow the required mo.

tion to the templet or pattern necessary to act upon the wood to be molded, or upon the knife.

In the accompanyingdrawings, Sheet I,Fig ure I, represents a top view, Fig. II a side view, and Fig. III a cross-section, of my improved wood-molding machine. Figs. IV and AV represent the top and side views of the same machine, with a different arrangement of the elastic or movable bars, to which the templet or pattern is attached. Sheet Il, Fig..VI, is a top view, and Fig. VlI is a side view, and Fig. VIII a cross-section,of a similar machine for making horizontal or sidewave molding, with my improvement attached.

Similar letters represent similar parts in all the figures.

On Sheet I, A is the bed or frame of the machine, in the central part of which suitable ways are arranged for the movable bed B to slide upon backward and forward. On the under side of this bed B a rack, m, is attached, into which a pinion, a, works, to communicate the required motion to said bed B. On one end of the shaft a, upon which the pinion a is fastened, pulleys p p' are placed to give motion to this shaft a. At each end of the bed B raised heads C C are fastened, into which a plate, D, is fitted, so as to hold firmly fore and aft, as well as sidewise, but capable of moving upward or downward. To this plate D the wood to be molded is firmly attached. In the center of the machine the knife-rest E is firmly attached to the frame ofthe machine A, arranged in the usual manner, to regulate the knife, so as to move the same upward or downward.

On each side of the movable bed B two supports, F F and F' F', are firmly attached to the frame A. Between the supports F F and F' F' flat bars G and G are stretched perf fectly tight. Upon the'center of these flat' bars G G, and in a line directly under the' knife, the templet or pattern-plate H is attached to said bars G G in such a manner that the plate D will rest upon said templet or pattern-plate H.

On the upper side of the movable bed B projections s s are made, which come in contact with the under side of the pattern-plate H, and follow the figures cut upon said plate during the motion of the bed B, by which operation this pattern-plate H, together with the plate D, will be pushed upward or allowed to move downward, according to the nature of the figure out upon said pattern-plate H, and, as above mentioned, the wood to be molded is firmly attached to this plate D, which will consequently receive the same motion from the pattern-plate H, and, as the knife presses upon the top of the wood, the surface of this wood will be planed or molded corresponding to the figure cut into the under side ofthe templet or pattern-plate H. Ihe flat bars G G, stretched to the supports F and F', have sufficient elasticity to a'llowthe `required up or down motion to the pattern-plate H without //l producing any friction or requiring any guide to said pattern-plate.

Instead of attaching the pattern-plate to solid bars G G, fastened to supports Fand F', as here described, said plate H may be secured between two bars, G' G', as represented in Figs. IV and V. These bars G G are securely tightened between the supports F F' and a projection, w, provided on each side of the pattern-plate H, in such a manner that said bars can have a slight vibrating motion at the supports, and will hold the projecting parts w of the pattern-plate between them similar, like being held in a vise. The ends of the bars G'G', next the projection w, are rounded, and form part of a circle, with the other ends at the supports as the center of the radius. By this arrangement the same object will be obtained-namely, an easy elastic up or down motion to the pattern-platewithout the necessity of a guide and its consequent friction. The advantage of this arrangement is that a greater amount of motion can thereby be obtained, while by the former described arrangement of a solid elastic bar the amount of motion is limited.

On Sheet II a machine is represented to make side waves or horizontal Wave moldings.

A is the frame of the machine g B, the movable bed provided With a rack, m, and driven by a pinion, n, as above described. The plate I), to which the Wood to be molded is attached, is in this case firmly attached to the bed B.

The knife-rest E is arranged near the center 'of the machine in such a manner as to bc capable of sliding sidewise, and is held down to the frame A by the guides .fr x, secured to the side of thetframe A. The teinplet or pattern H is attached to the knife-rest E. 'lhis knife-rest E is held rmly between the bars G( G', Whose other ends are secured against the supports F and F in the manner as described in Figs. IV and V, with that exception only that the said bars are placed edgewise, as here a side motion is required, while in Figs. IV and V an up-and-down motion.

The projections s s are attached to the side of the movable bed B and Work into the pattern-plate H, which, during the motion of said bed B, will be, together with the knife-rest E, pushed sidewise as soon as the projections s s pass the raised parts on said pattern-plate. A spring, d, acting on the end of the kniferest E, brings said knife-rest back again, producing thereby' a motion whereby the Wood will be molded sidewise, corresponding with the design on the pattern-plate H.

What I claim as my invention, and desire to secure by Letters Patent, is-

'Ihe arrangement of attaching the pattern or templet H to elastic. bars or their equivalent in such a manner that the same will a1- lowthe required motion to the pattern-plate, for the purpose substantially as described and set forth. Y

HENRY E. RAEDEE, J oEN C. FELLOWES. 

